starletburkie
Member +
does the vacuum line have to be conected to the fuel pressure regulator? as im havin problems with adjusting the high boost and unsure if its the controller or vacuum source, i have it inbetween the inlet and dump valve atm. low boost is working at .8 bar but high only goes to .7 or .8 up to the last? hks act set to .6bar, its the greedy profec type s